%0 Journal Article %A Bert van Geemen %A Jürgen Werner %T New Examples of Threefolds with c1 = 0. %J Mathematische Zeitschrift %D 1990 %P 211-226 %V 203 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZ_1990__203_3_174122/ %F MZ_1990__203_3_174122